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UNCW Bio 201 Exam 2- Chapters 5, 6, and 7 Questions and Answers $8.49   Add to cart

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UNCW Bio 201 Exam 2- Chapters 5, 6, and 7 Questions and Answers

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  • Course
  • BIO 201
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  • BIO 201

Equation of how Enzymes function in reaction Substrate(s) + Enzyme = Product(s) + Enzyme What is the optimal temperature for most enzymes to work at? 37 degrees Celsius What happens when temperature is too high for an enzyme? Enzymes can unfold and lose their 3D shape. What pH do cytosolic enzym...

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  • September 13, 2024
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  • BIO 201
  • BIO 201

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UNCW Bio 201 Exam 2- Chapters 5, 6,
and 7 Questions and Answers
Equation of how Enzymes function in reaction ✅Substrate(s) + Enzyme = Product(s) +
Enzyme

What is the optimal temperature for most enzymes to work at? ✅37 degrees Celsius

What happens when temperature is too high for an enzyme? ✅Enzymes can unfold
and lose their 3D shape.

What pH do cytosolic enzymes operate best at? ✅neutral, around 7.2. (the pH of
human cells)

How can competitive inhibition be overcome? ✅increasing substrate concentration

What direction does actin spin when ATP is being produced? ✅Clockwise

What direction does actin spin when ATP is being hydrolyzed? ✅Counterclockwise

A reaction that has a positive ΔG is described as... ✅Endergonic

If products have less free energy than the reactants, meaning ΔG is negative, the
reaction is described as... ✅Exergonic

an exergonic reaction is... (spontaneous/not spontaneous) ✅Spontaneous

An endergonic reaction is... (spontaneous/not spontaneous) ✅Not spontaneous

Altering the three-dimensional structure of an enzyme might... ✅prevent the substrate
from binding the enzyme's active site.

What is the role of ubiquitin? ✅Ubiquitin tags proteins for degradation

What is the role of the proteasome? ✅Cylinder shaped; breaks down and recycles
proteins.

Role of Catabolic Pathways ✅Breakdown cellular components; Exergonic

Role of anabolic pathways ✅Synthesis of cellular components; Endergonic. MUST BE
COUPLED WITH EXERGONIC REACTION!

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